| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a sound output device capable of emitting an appropriate masking sound for each installation space.SOLUTION: A sound output device 10 includes: storage means 41 that is mounted on an apparatus for storing sound pressure level correction information for at least any one of the date, day of the week, and time; sound reproduction means 43 for reproducing a sound signal representing an additional sound to an operation sound of the apparatus, reading out the sound pressure level correction information corresponding to at least any one of the current date, day of the week, and time, and correcting and outputting the sound pressure level of the reproduced sound signal according to the read-out sound pressure level correction information; and sound output means 44 for emitting the additional sound on the basis of the sound signal output from the sound reproduction means.</p> |
